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A231252
Number of 7Xn 0..3 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero
1
0, 778, 185074, 12322784, 1130422470, 122516675112, 13176773912306, 1401330180537464, 149128308807116274, 15891308131288905986, 1693734891060505493574, 180514807902138511042510
OFFSET
1,2
COMMENTS
Row 7 of A231246
LINKS
EXAMPLE
Some solutions for n=2
..0..1....0..3....0..1....0..3....0..1....0..3....0..3....0..3....0..3....0..3
..2..3....2..1....2..1....2..1....2..3....2..1....2..1....0..1....0..1....0..1
..1..0....2..1....0..3....0..1....1..0....0..1....2..1....2..3....2..3....2..3
..3..2....0..3....2..1....2..3....3..2....2..1....0..3....2..1....2..1....0..3
..1..2....0..3....3..0....2..1....1..0....0..3....2..1....0..3....0..3....2..1
..1..0....0..1....1..2....3..0....1..0....0..1....0..3....2..3....0..3....3..0
..3..2....2..3....1..0....1..2....3..2....2..3....2..3....2..1....2..1....1..2
CROSSREFS
Sequence in context: A008746 A231062 A200559 * A341190 A147547 A259924
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 06 2013
STATUS
approved